关键期假说

关键期假设（英文：critical period hypothesis）是一个长期存在争论的假说，关于人是否存在一个语言学习的关键年龄段。该假说一般认为，存在一个理想时期更容易受语言环境影响从而比其他时间更容易学习一门语言。关键期假设认为，生命的最初几年是关键时期，在足够的刺激下，人都能习得第一语言。如果超过这个时期，语言的学习将会非常困难，特别是在语法方面。然而事实上这种说法目前在学界仍然只是一种假说，各方学者对此仍有许多批评争议，未有定论。

参考文献[编辑]

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延伸阅读[编辑]

Cook, V. Second Language Learning and Language Teaching. London: Hodder Arnold. 2001.
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Lamendella, J.T. General principles of Neurofunctional organization and their manifestation in primary and non-primary language acquisition. Language Learning. 1977, 27: 155–9. doi:10.1111/j.1467-1770.1977.tb00298.x. [introduces the phrase 'sensitive period'.]
Lightbown, P.; Spada, N. How Languages are Learned 2nd. Oxford: Oxford University Press. 2006. ISBN 0-19-442224-0.
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Zhao, A.H.; Morgan, C. Consideration of Age in L2 Attainment - Children, Adolescents and Adults. Asian EFL Journal. 2005, 6 (4). （原始内容存档于2006-12-08）.